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!232 [sync] PR-231: libhns: Add support for LTTng tracing

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From: @openeuler-sync-bot 
Reviewed-by: @hginjgerx 
Signed-off-by: @hginjgerx
This commit is contained in:
openeuler-ci-bot 2025-04-25 08:14:44 +00:00 committed by Gitee
commit b1efe2238a
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3 changed files with 503 additions and 1 deletions
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112
0056-libhns-Add-initial-support-for-HNS-LTTng-tracing.patch Normal file
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@ -0,0 +1,112 @@
From dfcef98e85b947dd38738436c769926f66438a7d Mon Sep 17 00:00:00 2001
From: wenglianfa <wenglianfa@huawei.com>
Date: Tue, 22 Apr 2025 16:18:44 +0800
Subject: [PATCH 56/57] libhns: Add initial support for HNS LTTng tracing
mainline inclusion
from mainline-v56.0-65
commit 5d96d96c822323a1c9b0a6b98ce58a17a8f165c1
category: feature
bugzilla: https://gitee.com/src-openeuler/rdma-core/issues/IC3E67
CVE: NA
Reference: https://github.com/linux-rdma/rdma-core/pull/1587/commits/5d96d96c822323a1c9...
---------------------------------------------------------------------
Add initial support for HNS LTTng tracing.
Signed-off-by: wenglianfa <wenglianfa@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Signed-off-by: Xinghai Cen <cenxinghai@h-partners.com>
---
providers/hns/CMakeLists.txt | 10 +++++++++
providers/hns/hns_roce_u_trace.c | 9 ++++++++
providers/hns/hns_roce_u_trace.h | 35 ++++++++++++++++++++++++++++++++
3 files changed, 54 insertions(+)
create mode 100644 providers/hns/hns_roce_u_trace.c
create mode 100644 providers/hns/hns_roce_u_trace.h
diff --git a/providers/hns/CMakeLists.txt b/providers/hns/CMakeLists.txt
index 58139ae..36ebfac 100644
--- a/providers/hns/CMakeLists.txt
+++ b/providers/hns/CMakeLists.txt
@@ -1,5 +1,10 @@
+if (ENABLE_LTTNG AND LTTNGUST_FOUND)
+ set(TRACE_FILE hns_roce_u_trace.c)
+endif()
+
rdma_shared_provider(hns libhns.map
1 1.0.${PACKAGE_VERSION}
+ ${TRACE_FILE}
hns_roce_u.c
hns_roce_u_buf.c
hns_roce_u_db.c
@@ -12,3 +17,8 @@ publish_headers(infiniband
)
rdma_pkg_config("hns" "libibverbs" "${CMAKE_THREAD_LIBS_INIT}")
+
+if (ENABLE_LTTNG AND LTTNGUST_FOUND)
+ target_include_directories(hns PUBLIC ".")
+ target_link_libraries(hns LINK_PRIVATE LTTng::UST)
+endif()
diff --git a/providers/hns/hns_roce_u_trace.c b/providers/hns/hns_roce_u_trace.c
new file mode 100644
index 0000000..812f54c
--- /dev/null
+++ b/providers/hns/hns_roce_u_trace.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+/*
+ * Copyright (c) 2025 Hisilicon Limited.
+ */
+
+#define LTTNG_UST_TRACEPOINT_CREATE_PROBES
+#define LTTNG_UST_TRACEPOINT_DEFINE
+
+#include "hns_roce_u_trace.h"
diff --git a/providers/hns/hns_roce_u_trace.h b/providers/hns/hns_roce_u_trace.h
new file mode 100644
index 0000000..9b9485c
--- /dev/null
+++ b/providers/hns/hns_roce_u_trace.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Copyright (c) 2025 Hisilicon Limited.
+ */
+
+#if defined(LTTNG_ENABLED)
+
+#undef LTTNG_UST_TRACEPOINT_PROVIDER
+#define LTTNG_UST_TRACEPOINT_PROVIDER rdma_core_hns
+
+#undef LTTNG_UST_TRACEPOINT_INCLUDE
+#define LTTNG_UST_TRACEPOINT_INCLUDE "hns_roce_u_trace.h"
+
+#if !defined(__HNS_TRACE_H__) || defined(LTTNG_UST_TRACEPOINT_HEADER_MULTI_READ)
+#define __HNS_TRACE_H__
+
+#include <lttng/tracepoint.h>
+#include <infiniband/verbs.h>
+
+#define rdma_tracepoint(arg...) lttng_ust_tracepoint(arg)
+
+#endif /* __HNS_TRACE_H__*/
+
+#include <lttng/tracepoint-event.h>
+
+#else
+
+#ifndef __HNS_TRACE_H__
+#define __HNS_TRACE_H__
+
+#define rdma_tracepoint(arg...)
+
+#endif /* __HNS_TRACE_H__*/
+
+#endif /* defined(LTTNG_ENABLED) */
--
2.33.0

382
0057-libhns-Add-tracepoint-for-HNS-RoCE-I-O.patch Normal file
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@ -0,0 +1,382 @@
From feec8deebf58cf6faaf9f70eda49b929eb674f72 Mon Sep 17 00:00:00 2001
From: wenglianfa <wenglianfa@huawei.com>
Date: Tue, 22 Apr 2025 16:18:45 +0800
Subject: [PATCH 57/57] libhns: Add tracepoint for HNS RoCE I/O
mainline inclusion
from mainline-v56.0-65
commit 19cb51c73029b593608f0c5d41a4ace8d1f1e334
category: feature
bugzilla: https://gitee.com/src-openeuler/rdma-core/issues/IC3E67
CVE: NA
Reference: https://github.com/linux-rdma/rdma-core/pull/1587/commits/19cb51c73029b59360...
---------------------------------------------------------------------
Add tracepoint for HNS RoCE I/O, including post_send, post_recv and
poll_cq.
Signed-off-by: wenglianfa <wenglianfa@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Signed-off-by: Xinghai Cen <cenxinghai@h-partners.com>
---
providers/hns/hns_roce_u_hw_v2.c | 153 +++++++++++++++++++++++++++++++
providers/hns/hns_roce_u_trace.h | 98 ++++++++++++++++++++
2 files changed, 251 insertions(+)
diff --git a/providers/hns/hns_roce_u_hw_v2.c b/providers/hns/hns_roce_u_hw_v2.c
index 3a1249f..b80c574 100644
--- a/providers/hns/hns_roce_u_hw_v2.c
+++ b/providers/hns/hns_roce_u_hw_v2.c
@@ -38,6 +38,7 @@
#include "hns_roce_u.h"
#include "hns_roce_u_db.h"
#include "hns_roce_u_hw_v2.h"
+#include "hns_roce_u_trace.h"
#define HR_IBV_OPC_MAP(ib_key, hr_key) \
[IBV_WR_ ## ib_key] = HNS_ROCE_WQE_OP_ ## hr_key
@@ -764,6 +765,80 @@ static int parse_cqe_for_cq(struct hns_roce_context *ctx, struct hns_roce_cq *cq
return 0;
}
+#ifdef LTTNG_ENABLED
+static uint8_t read_wc_sl(struct hns_roce_qp *hr_qp,
+ struct hns_roce_v2_cqe *cqe,
+ struct ibv_wc *wc)
+{
+ return hr_qp->verbs_qp.qp.qp_type == IBV_QPT_UD &&
+ hr_reg_read(cqe, CQE_S_R) == CQE_FOR_RQ ?
+ wc->sl : UINT8_MAX;
+}
+
+static uint32_t read_wc_rqpn(struct hns_roce_qp *hr_qp,
+ struct hns_roce_v2_cqe *cqe,
+ struct ibv_wc *wc)
+{
+ return hr_qp->verbs_qp.qp.qp_type == IBV_QPT_UD &&
+ hr_reg_read(cqe, CQE_S_R) == CQE_FOR_RQ ?
+ wc->src_qp : UINT32_MAX;
+}
+
+static uint32_t read_wc_byte_len(struct hns_roce_v2_cqe *cqe,
+ struct ibv_wc *wc)
+{
+ if (hr_reg_read(cqe, CQE_S_R) == CQE_FOR_RQ)
+ return wc->byte_len;
+
+ switch (hr_reg_read(cqe, CQE_OPCODE)) {
+ case HNS_ROCE_SQ_OP_RDMA_READ:
+ case HNS_ROCE_SQ_OP_ATOMIC_COMP_AND_SWAP:
+ case HNS_ROCE_SQ_OP_ATOMIC_FETCH_AND_ADD:
+ case HNS_ROCE_SQ_OP_ATOMIC_MASK_COMP_AND_SWAP:
+ case HNS_ROCE_SQ_OP_ATOMIC_MASK_FETCH_AND_ADD:
+ return wc->byte_len;
+ default:
+ return UINT32_MAX;
+ }
+}
+
+static uint8_t trace_wc_read_sl(struct ibv_cq_ex *cq_ex)
+{
+ return cq_ex->read_sl ? cq_ex->read_sl(cq_ex) : UINT8_MAX;
+}
+
+static uint32_t trace_wc_read_qp_num(struct ibv_cq_ex *cq_ex)
+{
+ return cq_ex->read_qp_num ?
+ cq_ex->read_qp_num(cq_ex) : UINT32_MAX;
+}
+
+static uint32_t trace_wc_read_src_qp(struct ibv_cq_ex *cq_ex)
+{
+ return cq_ex->read_src_qp ?
+ cq_ex->read_src_qp(cq_ex) : UINT32_MAX;
+}
+
+static uint32_t trace_wc_read_byte_len(struct ibv_cq_ex *cq_ex)
+{
+ return cq_ex->read_byte_len ?
+ cq_ex->read_byte_len(cq_ex) : UINT32_MAX;
+}
+
+static uint32_t get_send_wr_rqpn(struct ibv_send_wr *wr,
+ uint8_t qp_type)
+{
+ return qp_type == IBV_QPT_UD ? wr->wr.ud.remote_qpn : UINT32_MAX;
+}
+
+static uint8_t get_send_wr_tclass(struct ibv_send_wr *wr,
+ uint8_t qp_type)
+{
+ return qp_type == IBV_QPT_UD ?
+ to_hr_ah(wr->wr.ud.ah)->av.tclass : UINT8_MAX;
+}
+#endif
+
static int hns_roce_poll_one(struct hns_roce_context *ctx,
struct hns_roce_qp **cur_qp, struct hns_roce_cq *cq,
struct ibv_wc *wc)
@@ -800,8 +875,27 @@ static int hns_roce_poll_one(struct hns_roce_context *ctx,
wc->status = wc_status;
wc->vendor_err = hr_reg_read(cqe, CQE_SUB_STATUS);
wc->qp_num = qpn;
+
+ rdma_tracepoint(rdma_core_hns, poll_cq,
+ cq->verbs_cq.cq.context->device->name,
+ wc->wr_id, wc_status, wc->opcode,
+ wc->wc_flags, wc->vendor_err,
+ read_wc_sl(*cur_qp, cqe, wc),
+ wc->qp_num, read_wc_rqpn(*cur_qp, cqe, wc),
+ read_wc_byte_len(cqe, wc));
} else {
cq->verbs_cq.cq_ex.status = wc_status;
+
+ rdma_tracepoint(rdma_core_hns, poll_cq,
+ cq->verbs_cq.cq.context->device->name,
+ cq->verbs_cq.cq_ex.wr_id, wc_status,
+ ibv_wc_read_opcode(&cq->verbs_cq.cq_ex),
+ ibv_wc_read_wc_flags(&cq->verbs_cq.cq_ex),
+ ibv_wc_read_vendor_err(&cq->verbs_cq.cq_ex),
+ trace_wc_read_sl(&cq->verbs_cq.cq_ex),
+ trace_wc_read_qp_num(&cq->verbs_cq.cq_ex),
+ trace_wc_read_src_qp(&cq->verbs_cq.cq_ex),
+ trace_wc_read_byte_len(&cq->verbs_cq.cq_ex));
}
if (status == HNS_ROCE_V2_CQE_SUCCESS ||
@@ -1635,6 +1729,14 @@ int hns_roce_u_v2_post_send(struct ibv_qp *ibvqp, struct ibv_send_wr *wr,
*bad_wr = wr;
goto out;
}
+
+ rdma_tracepoint(rdma_core_hns, post_send,
+ ibvqp->context->device->name, wr->wr_id,
+ sge_info.valid_num, ibvqp->qp_num,
+ get_send_wr_rqpn(wr, ibvqp->qp_type),
+ wr->send_flags, sge_info.total_len,
+ wr->opcode, qp->sl,
+ get_send_wr_tclass(wr, ibvqp->qp_type));
}
out:
@@ -1785,6 +1887,10 @@ static int hns_roce_u_v2_post_recv(struct ibv_qp *ibvqp, struct ibv_recv_wr *wr,
wqe_idx = (qp->rq.head + nreq) & (qp->rq.wqe_cnt - 1);
fill_rq_wqe(qp, wr, wqe_idx, max_sge);
qp->rq.wrid[wqe_idx] = wr->wr_id;
+
+ rdma_tracepoint(rdma_core_hns, post_recv,
+ ibvqp->context->device->name, wr->wr_id,
+ wr->num_sge, ibvqp->qp_num, 0);
}
out:
@@ -2153,6 +2259,10 @@ static int hns_roce_u_v2_post_srq_recv(struct ibv_srq *ib_srq,
fill_wqe_idx(srq, wqe_idx);
srq->wrid[wqe_idx] = wr->wr_id;
+
+ rdma_tracepoint(rdma_core_hns, post_recv,
+ ib_srq->context->device->name, wr->wr_id,
+ wr->num_sge, srq->srqn, 1);
}
if (nreq) {
@@ -2442,6 +2552,12 @@ static void wr_set_sge_rc(struct ibv_qp_ex *ibv_qp, uint32_t lkey,
wqe->msg_len = htole32(length);
hr_reg_write(wqe, RCWQE_LEN0, length);
hr_reg_write(wqe, RCWQE_SGE_NUM, !!length);
+
+ rdma_tracepoint(rdma_core_hns, post_send,
+ ibv_qp->qp_base.context->device->name, ibv_qp->wr_id,
+ !!length, ibv_qp->qp_base.qp_num, UINT32_MAX,
+ ibv_qp->wr_flags, length,
+ hr_reg_read(wqe, RCWQE_OPCODE), qp->sl, UINT8_MAX);
}
static void set_sgl_rc(struct hns_roce_v2_wqe_data_seg *dseg,
@@ -2506,6 +2622,12 @@ static void wr_set_sge_list_rc(struct ibv_qp_ex *ibv_qp, size_t num_sge,
wqe->msg_len = htole32(qp->sge_info.total_len);
hr_reg_write(wqe, RCWQE_SGE_NUM, qp->sge_info.valid_num);
+
+ rdma_tracepoint(rdma_core_hns, post_send,
+ ibv_qp->qp_base.context->device->name, ibv_qp->wr_id,
+ qp->sge_info.valid_num, ibv_qp->qp_base.qp_num,
+ UINT32_MAX, ibv_qp->wr_flags, qp->sge_info.total_len,
+ opcode, qp->sl, UINT8_MAX);
}
static void wr_send_rc(struct ibv_qp_ex *ibv_qp)
@@ -2680,6 +2802,14 @@ static void set_inline_data_list_rc(struct hns_roce_qp *qp,
hr_reg_write(wqe, RCWQE_SGE_NUM, qp->sge_info.valid_num);
}
+
+ rdma_tracepoint(rdma_core_hns, post_send,
+ qp->verbs_qp.qp.context->device->name,
+ qp->verbs_qp.qp_ex.wr_id,
+ hr_reg_read(wqe, RCWQE_SGE_NUM),
+ qp->verbs_qp.qp.qp_num, UINT32_MAX,
+ qp->verbs_qp.qp_ex.wr_flags, msg_len,
+ hr_reg_read(wqe, RCWQE_OPCODE), qp->sl, UINT8_MAX);
}
static void wr_set_inline_data_rc(struct ibv_qp_ex *ibv_qp, void *addr,
@@ -2812,6 +2942,13 @@ static void wr_set_sge_ud(struct ibv_qp_ex *ibv_qp, uint32_t lkey,
dseg->len = htole32(length);
qp->sge_info.start_idx++;
+
+ rdma_tracepoint(rdma_core_hns, post_send,
+ ibv_qp->qp_base.context->device->name, ibv_qp->wr_id,
+ 1, ibv_qp->qp_base.qp_num,
+ hr_reg_read(wqe, UDWQE_DQPN), ibv_qp->wr_flags,
+ length, hr_reg_read(wqe, UDWQE_OPCODE),
+ qp->sl, hr_reg_read(wqe, UDWQE_TCLASS));
}
static void wr_set_sge_list_ud(struct ibv_qp_ex *ibv_qp, size_t num_sge,
@@ -2850,6 +2987,13 @@ static void wr_set_sge_list_ud(struct ibv_qp_ex *ibv_qp, size_t num_sge,
hr_reg_write(wqe, UDWQE_SGE_NUM, cnt);
qp->sge_info.start_idx += cnt;
+
+ rdma_tracepoint(rdma_core_hns, post_send,
+ ibv_qp->qp_base.context->device->name, ibv_qp->wr_id,
+ cnt, ibv_qp->qp_base.qp_num,
+ hr_reg_read(wqe, UDWQE_DQPN), ibv_qp->wr_flags,
+ msg_len, hr_reg_read(wqe, UDWQE_OPCODE),
+ qp->sl, hr_reg_read(wqe, UDWQE_TCLASS));
}
static void set_inline_data_list_ud(struct hns_roce_qp *qp,
@@ -2898,6 +3042,15 @@ static void set_inline_data_list_ud(struct hns_roce_qp *qp,
hr_reg_write(wqe, UDWQE_SGE_NUM, qp->sge_info.valid_num);
}
+
+ rdma_tracepoint(rdma_core_hns, post_send,
+ qp->verbs_qp.qp.context->device->name,
+ qp->verbs_qp.qp_ex.wr_id,
+ hr_reg_read(wqe, UDWQE_SGE_NUM),
+ qp->verbs_qp.qp.qp_num, hr_reg_read(wqe, UDWQE_DQPN),
+ qp->verbs_qp.qp_ex.wr_flags, msg_len,
+ hr_reg_read(wqe, UDWQE_OPCODE), qp->sl,
+ hr_reg_read(wqe, UDWQE_TCLASS));
}
static void wr_set_inline_data_ud(struct ibv_qp_ex *ibv_qp, void *addr,
diff --git a/providers/hns/hns_roce_u_trace.h b/providers/hns/hns_roce_u_trace.h
index 9b9485c..4654985 100644
--- a/providers/hns/hns_roce_u_trace.h
+++ b/providers/hns/hns_roce_u_trace.h
@@ -17,6 +17,104 @@
#include <lttng/tracepoint.h>
#include <infiniband/verbs.h>
+LTTNG_UST_TRACEPOINT_EVENT(
+ /* Tracepoint provider name */
+ rdma_core_hns,
+
+ /* Tracepoint name */
+ post_send,
+
+ /* Input arguments */
+ LTTNG_UST_TP_ARGS(
+ char *, dev_name,
+ uint64_t, wr_id,
+ int32_t, num_sge,
+ uint32_t, lqpn,
+ uint32_t, rqpn,
+ uint32_t, send_flags,
+ uint32_t, msg_len,
+ uint8_t, opcode,
+ uint8_t, sl,
+ uint8_t, t_class
+ ),
+
+ /* Output event fields */
+ LTTNG_UST_TP_FIELDS(
+ lttng_ust_field_string(dev_name, dev_name)
+ lttng_ust_field_integer_hex(uint64_t, wr_id, wr_id)
+ lttng_ust_field_integer_hex(int32_t, num_sge, num_sge)
+ lttng_ust_field_integer_hex(uint32_t, lqpn, lqpn)
+ lttng_ust_field_integer_hex(uint32_t, rqpn, rqpn)
+ lttng_ust_field_integer_hex(uint32_t, send_flags, send_flags)
+ lttng_ust_field_integer_hex(uint32_t, msg_len, msg_len)
+ lttng_ust_field_integer_hex(uint8_t, opcode, opcode)
+ lttng_ust_field_integer_hex(uint8_t, sl, sl)
+ lttng_ust_field_integer_hex(uint8_t, t_class, t_class)
+ )
+)
+
+LTTNG_UST_TRACEPOINT_EVENT(
+ /* Tracepoint provider name */
+ rdma_core_hns,
+
+ /* Tracepoint name */
+ post_recv,
+
+ /* Input arguments */
+ LTTNG_UST_TP_ARGS(
+ char *, dev_name,
+ uint64_t, wr_id,
+ int32_t, num_sge,
+ uint32_t, rqn,
+ uint8_t, is_srq
+ ),
+
+ /* Output event fields */
+ LTTNG_UST_TP_FIELDS(
+ lttng_ust_field_string(dev_name, dev_name)
+ lttng_ust_field_integer_hex(uint64_t, wr_id, wr_id)
+ lttng_ust_field_integer_hex(int32_t, num_sge, num_sge)
+ lttng_ust_field_integer_hex(uint32_t, rqn, rqn)
+ lttng_ust_field_integer_hex(uint8_t, is_srq, is_srq)
+ )
+)
+
+LTTNG_UST_TRACEPOINT_EVENT(
+ /* Tracepoint provider name */
+ rdma_core_hns,
+
+ /* Tracepoint name */
+ poll_cq,
+
+ /* Input arguments */
+ LTTNG_UST_TP_ARGS(
+ char *, dev_name,
+ uint64_t, wr_id,
+ uint8_t, status,
+ uint8_t, opcode,
+ uint8_t, wc_flags,
+ uint8_t, vendor_err,
+ uint8_t, pktype,
+ uint32_t, lqpn,
+ uint32_t, rqpn,
+ uint32_t, byte_len
+ ),
+
+ /* Output event fields */
+ LTTNG_UST_TP_FIELDS(
+ lttng_ust_field_string(dev_name, dev_name)
+ lttng_ust_field_integer_hex(uint64_t, wr_id, wr_id)
+ lttng_ust_field_integer_hex(uint8_t, status, status)
+ lttng_ust_field_integer_hex(uint8_t, opcode, opcode)
+ lttng_ust_field_integer_hex(uint8_t, wc_flags, wc_flags)
+ lttng_ust_field_integer_hex(uint8_t, vendor_err, vendor_err)
+ lttng_ust_field_integer_hex(uint8_t, pktype, pktype)
+ lttng_ust_field_integer_hex(uint32_t, lqpn, lqpn)
+ lttng_ust_field_integer_hex(uint32_t, rqpn, rqpn)
+ lttng_ust_field_integer_hex(uint32_t, byte_len, byte_len)
+ )
+)
+
#define rdma_tracepoint(arg...) lttng_ust_tracepoint(arg)
#endif /* __HNS_TRACE_H__*/
--
2.33.0

10
rdma-core.spec
View File

@ -1,6 +1,6 @@
Name: rdma-core
Version: 50.0
Release: 26
Release: 27
Summary: RDMA core userspace libraries and daemons
License: GPL-2.0-only OR BSD-2-Clause AND BSD-3-Clause
Url: https://github.com/linux-rdma/rdma-core
@ -55,6 +55,8 @@ patch52: 0052-libxscale-Match-dev-by-vid-and-did.patch
patch53: 0053-libhns-Clean-up-data-type-issues.patch
patch54: 0054-libhns-Fix-wrong-max-inline-data-value.patch
patch55: 0055-libhns-Fix-wrong-order-of-spin-unlock-in-modify-qp.patch
patch56: 0056-libhns-Add-initial-support-for-HNS-LTTng-tracing.patch
patch57: 0057-libhns-Add-tracepoint-for-HNS-RoCE-I-O.patch
BuildRequires: binutils cmake >= 2.8.11 gcc libudev-devel pkgconfig pkgconfig(libnl-3.0)
BuildRequires: pkgconfig(libnl-route-3.0) systemd systemd-devel
@ -632,6 +634,12 @@ fi
%doc %{_docdir}/%{name}-%{version}/70-persistent-ipoib.rules
%changelog
* Wed Apr 23 2025 Xinghai Cen <cenxinghai@h-partners.com> - 50.0-27
- Type: feature
- ID: NA
- SUG: NA
- DESC: libhns: Add support for LTTng tracing
* Thu Apr 17 2025 Xinghai Cen <cenxinghai@h-partners.com> - 50.0-26
- Type: bugfix
- ID: NA